| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Dave Jones | 2409 | 88.50% | 19 | 42.22% |
| Dave Airlie | 77 | 2.83% | 3 | 6.67% |
| Jérôme Glisse | 61 | 2.24% | 1 | 2.22% |
| Andrew Morton | 50 | 1.84% | 1 | 2.22% |
| Björn Helgaas | 47 | 1.73% | 4 | 8.89% |
| Amit Kucheria | 12 | 0.44% | 1 | 2.22% |
| Scott Thompson | 11 | 0.40% | 1 | 2.22% |
| René Herman | 10 | 0.37% | 1 | 2.22% |
| Jesper Juhl | 8 | 0.29% | 1 | 2.22% |
| Tim Schmielau | 6 | 0.22% | 1 | 2.22% |
| Arjan van de Ven | 6 | 0.22% | 1 | 2.22% |
| David Woodhouse | 5 | 0.18% | 2 | 4.44% |
| Thomas Hellstrom | 5 | 0.18% | 1 | 2.22% |
| Laura Abbott | 3 | 0.11% | 1 | 2.22% |
| Linus Torvalds | 3 | 0.11% | 1 | 2.22% |
| Kees Cook | 2 | 0.07% | 1 | 2.22% |
| Joe Perches | 2 | 0.07% | 1 | 2.22% |
| Yijing Wang | 2 | 0.07% | 1 | 2.22% |
| Arvind Yadav | 1 | 0.04% | 1 | 2.22% |
| Adrian Bunk | 1 | 0.04% | 1 | 2.22% |
| Andreas Mohr | 1 | 0.04% | 1 | 2.22% |
| Total | 2722 | 45 |
/* * ATi AGPGART routines. */ #include <linux/types.h> #include <linux/module.h> #include <linux/pci.h> #include <linux/init.h> #include <linux/string.h> #include <linux/slab.h> #include <linux/agp_backend.h> #include <asm/agp.h> #include <asm/set_memory.h> #include "agp.h" #define ATI_GART_MMBASE_BAR 1 #define ATI_RS100_APSIZE 0xac #define ATI_RS100_IG_AGPMODE 0xb0 #define ATI_RS300_APSIZE 0xf8 #define ATI_RS300_IG_AGPMODE 0xfc #define ATI_GART_FEATURE_ID 0x00 #define ATI_GART_BASE 0x04 #define ATI_GART_CACHE_SZBASE 0x08 #define ATI_GART_CACHE_CNTRL 0x0c #define ATI_GART_CACHE_ENTRY_CNTRL 0x10 static const struct aper_size_info_lvl2 ati_generic_sizes[7] = { {2048, 524288, 0x0000000c}, {1024, 262144, 0x0000000a}, {512, 131072, 0x00000008}, {256, 65536, 0x00000006}, {128, 32768, 0x00000004}, {64, 16384, 0x00000002}, {32, 8192, 0x00000000} }; static struct gatt_mask ati_generic_masks[] = { { .mask = 1, .type = 0} }; struct ati_page_map { unsigned long *real; unsigned long __iomem *remapped; }; static struct _ati_generic_private { volatile u8 __iomem *registers; struct ati_page_map **gatt_pages; int num_tables; } ati_generic_private; static int ati_create_page_map(struct ati_page_map *page_map) { int i, err = 0; page_map->real = (unsigned long *) __get_free_page(GFP_KERNEL); if (page_map->real == NULL) return -ENOMEM; set_memory_uc((unsigned long)page_map->real, 1); err = map_page_into_agp(virt_to_page(page_map->real)); page_map->remapped = page_map->real; for (i = 0; i < PAGE_SIZE / sizeof(unsigned long); i++) { writel(agp_bridge->scratch_page, page_map->remapped+i); readl(page_map->remapped+i); /* PCI Posting. */ } return 0; } static void ati_free_page_map(struct ati_page_map *page_map) { unmap_page_from_agp(virt_to_page(page_map->real)); set_memory_wb((unsigned long)page_map->real, 1); free_page((unsigned long) page_map->real); } static void ati_free_gatt_pages(void) { int i; struct ati_page_map **tables; struct ati_page_map *entry; tables = ati_generic_private.gatt_pages; for (i = 0; i < ati_generic_private.num_tables; i++) { entry = tables[i]; if (entry != NULL) { if (entry->real != NULL) ati_free_page_map(entry); kfree(entry); } } kfree(tables); } static int ati_create_gatt_pages(int nr_tables) { struct ati_page_map **tables; struct ati_page_map *entry; int retval = 0; int i; tables = kcalloc(nr_tables + 1, sizeof(struct ati_page_map *), GFP_KERNEL); if (tables == NULL) return -ENOMEM; for (i = 0; i < nr_tables; i++) { entry = kzalloc(sizeof(struct ati_page_map), GFP_KERNEL); tables[i] = entry; if (entry == NULL) { retval = -ENOMEM; break; } retval = ati_create_page_map(entry); if (retval != 0) break; } ati_generic_private.num_tables = i; ati_generic_private.gatt_pages = tables; if (retval != 0) ati_free_gatt_pages(); return retval; } static int is_r200(void) { if ((agp_bridge->dev->device == PCI_DEVICE_ID_ATI_RS100) || (agp_bridge->dev->device == PCI_DEVICE_ID_ATI_RS200) || (agp_bridge->dev->device == PCI_DEVICE_ID_ATI_RS200_B) || (agp_bridge->dev->device == PCI_DEVICE_ID_ATI_RS250)) return 1; return 0; } static int ati_fetch_size(void) { int i; u32 temp; struct aper_size_info_lvl2 *values; if (is_r200()) pci_read_config_dword(agp_bridge->dev, ATI_RS100_APSIZE, &temp); else pci_read_config_dword(agp_bridge->dev, ATI_RS300_APSIZE, &temp); temp = (temp & 0x0000000e); values = A_SIZE_LVL2(agp_bridge->driver->aperture_sizes); for (i = 0; i < agp_bridge->driver->num_aperture_sizes; i++) { if (temp == values[i].size_value) { agp_bridge->previous_size = agp_bridge->current_size = (void *) (values + i); agp_bridge->aperture_size_idx = i; return values[i].size; } } return 0; } static void ati_tlbflush(struct agp_memory * mem) { writel(1, ati_generic_private.registers+ATI_GART_CACHE_CNTRL); readl(ati_generic_private.registers+ATI_GART_CACHE_CNTRL); /* PCI Posting. */ } static void ati_cleanup(void) { struct aper_size_info_lvl2 *previous_size; u32 temp; previous_size = A_SIZE_LVL2(agp_bridge->previous_size); /* Write back the previous size and disable gart translation */ if (is_r200()) { pci_read_config_dword(agp_bridge->dev, ATI_RS100_APSIZE, &temp); temp = ((temp & ~(0x0000000f)) | previous_size->size_value); pci_write_config_dword(agp_bridge->dev, ATI_RS100_APSIZE, temp); } else { pci_read_config_dword(agp_bridge->dev, ATI_RS300_APSIZE, &temp); temp = ((temp & ~(0x0000000f)) | previous_size->size_value); pci_write_config_dword(agp_bridge->dev, ATI_RS300_APSIZE, temp); } iounmap((volatile u8 __iomem *)ati_generic_private.registers); } static int ati_configure(void) { phys_addr_t reg; u32 temp; /* Get the memory mapped registers */ reg = pci_resource_start(agp_bridge->dev, ATI_GART_MMBASE_BAR); ati_generic_private.registers = (volatile u8 __iomem *) ioremap(reg, 4096); if (!ati_generic_private.registers) return -ENOMEM; if (is_r200()) pci_write_config_dword(agp_bridge->dev, ATI_RS100_IG_AGPMODE, 0x20000); else pci_write_config_dword(agp_bridge->dev, ATI_RS300_IG_AGPMODE, 0x20000); /* address to map to */ /* agp_bridge.gart_bus_addr = pci_bus_address(agp_bridge.dev, AGP_APERTURE_BAR); printk(KERN_INFO PFX "IGP320 gart_bus_addr: %x\n", agp_bridge.gart_bus_addr); */ writel(0x60000, ati_generic_private.registers+ATI_GART_FEATURE_ID); readl(ati_generic_private.registers+ATI_GART_FEATURE_ID); /* PCI Posting.*/ /* SIGNALED_SYSTEM_ERROR @ NB_STATUS */ pci_read_config_dword(agp_bridge->dev, PCI_COMMAND, &temp); pci_write_config_dword(agp_bridge->dev, PCI_COMMAND, temp | (1<<14)); /* Write out the address of the gatt table */ writel(agp_bridge->gatt_bus_addr, ati_generic_private.registers+ATI_GART_BASE); readl(ati_generic_private.registers+ATI_GART_BASE); /* PCI Posting. */ return 0; } #ifdef CONFIG_PM static int agp_ati_suspend(struct pci_dev *dev, pm_message_t state) { pci_save_state(dev); pci_set_power_state(dev, PCI_D3hot); return 0; } static int agp_ati_resume(struct pci_dev *dev) { pci_set_power_state(dev, PCI_D0); pci_restore_state(dev); return ati_configure(); } #endif /* *Since we don't need contiguous memory we just try * to get the gatt table once */ #define GET_PAGE_DIR_OFF(addr) (addr >> 22) #define GET_PAGE_DIR_IDX(addr) (GET_PAGE_DIR_OFF(addr) - \ GET_PAGE_DIR_OFF(agp_bridge->gart_bus_addr)) #define GET_GATT_OFF(addr) ((addr & 0x003ff000) >> 12) #undef GET_GATT #define GET_GATT(addr) (ati_generic_private.gatt_pages[\ GET_PAGE_DIR_IDX(addr)]->remapped) static int ati_insert_memory(struct agp_memory * mem, off_t pg_start, int type) { int i, j, num_entries; unsigned long __iomem *cur_gatt; unsigned long addr; int mask_type; num_entries = A_SIZE_LVL2(agp_bridge->current_size)->num_entries; mask_type = agp_generic_type_to_mask_type(mem->bridge, type); if (mask_type != 0 || type != mem->type) return -EINVAL; if (mem->page_count == 0) return 0; if ((pg_start + mem->page_count) > num_entries) return -EINVAL; j = pg_start; while (j < (pg_start + mem->page_count)) { addr = (j * PAGE_SIZE) + agp_bridge->gart_bus_addr; cur_gatt = GET_GATT(addr); if (!PGE_EMPTY(agp_bridge,readl(cur_gatt+GET_GATT_OFF(addr)))) return -EBUSY; j++; } if (!mem->is_flushed) { /*CACHE_FLUSH(); */ global_cache_flush(); mem->is_flushed = true; } for (i = 0, j = pg_start; i < mem->page_count; i++, j++) { addr = (j * PAGE_SIZE) + agp_bridge->gart_bus_addr; cur_gatt = GET_GATT(addr); writel(agp_bridge->driver->mask_memory(agp_bridge, page_to_phys(mem->pages[i]), mem->type), cur_gatt+GET_GATT_OFF(addr)); } readl(GET_GATT(agp_bridge->gart_bus_addr)); /* PCI posting */ agp_bridge->driver->tlb_flush(mem); return 0; } static int ati_remove_memory(struct agp_memory * mem, off_t pg_start, int type) { int i; unsigned long __iomem *cur_gatt; unsigned long addr; int mask_type; mask_type = agp_generic_type_to_mask_type(mem->bridge, type); if (mask_type != 0 || type != mem->type) return -EINVAL; if (mem->page_count == 0) return 0; for (i = pg_start; i < (mem->page_count + pg_start); i++) { addr = (i * PAGE_SIZE) + agp_bridge->gart_bus_addr; cur_gatt = GET_GATT(addr); writel(agp_bridge->scratch_page, cur_gatt+GET_GATT_OFF(addr)); } readl(GET_GATT(agp_bridge->gart_bus_addr)); /* PCI posting */ agp_bridge->driver->tlb_flush(mem); return 0; } static int ati_create_gatt_table(struct agp_bridge_data *bridge) { struct aper_size_info_lvl2 *value; struct ati_page_map page_dir; unsigned long __iomem *cur_gatt; unsigned long addr; int retval; u32 temp; int i; struct aper_size_info_lvl2 *current_size; value = A_SIZE_LVL2(agp_bridge->current_size); retval = ati_create_page_map(&page_dir); if (retval != 0) return retval; retval = ati_create_gatt_pages(value->num_entries / 1024); if (retval != 0) { ati_free_page_map(&page_dir); return retval; } agp_bridge->gatt_table_real = (u32 *)page_dir.real; agp_bridge->gatt_table = (u32 __iomem *) page_dir.remapped; agp_bridge->gatt_bus_addr = virt_to_phys(page_dir.real); /* Write out the size register */ current_size = A_SIZE_LVL2(agp_bridge->current_size); if (is_r200()) { pci_read_config_dword(agp_bridge->dev, ATI_RS100_APSIZE, &temp); temp = (((temp & ~(0x0000000e)) | current_size->size_value) | 0x00000001); pci_write_config_dword(agp_bridge->dev, ATI_RS100_APSIZE, temp); pci_read_config_dword(agp_bridge->dev, ATI_RS100_APSIZE, &temp); } else { pci_read_config_dword(agp_bridge->dev, ATI_RS300_APSIZE, &temp); temp = (((temp & ~(0x0000000e)) | current_size->size_value) | 0x00000001); pci_write_config_dword(agp_bridge->dev, ATI_RS300_APSIZE, temp); pci_read_config_dword(agp_bridge->dev, ATI_RS300_APSIZE, &temp); } /* * Get the address for the gart region. * This is a bus address even on the alpha, b/c its * used to program the agp master not the cpu */ addr = pci_bus_address(agp_bridge->dev, AGP_APERTURE_BAR); agp_bridge->gart_bus_addr = addr; /* Calculate the agp offset */ for (i = 0; i < value->num_entries / 1024; i++, addr += 0x00400000) { writel(virt_to_phys(ati_generic_private.gatt_pages[i]->real) | 1, page_dir.remapped+GET_PAGE_DIR_OFF(addr)); readl(page_dir.remapped+GET_PAGE_DIR_OFF(addr)); /* PCI Posting. */ } for (i = 0; i < value->num_entries; i++) { addr = (i * PAGE_SIZE) + agp_bridge->gart_bus_addr; cur_gatt = GET_GATT(addr); writel(agp_bridge->scratch_page, cur_gatt+GET_GATT_OFF(addr)); } return 0; } static int ati_free_gatt_table(struct agp_bridge_data *bridge) { struct ati_page_map page_dir; page_dir.real = (unsigned long *)agp_bridge->gatt_table_real; page_dir.remapped = (unsigned long __iomem *)agp_bridge->gatt_table; ati_free_gatt_pages(); ati_free_page_map(&page_dir); return 0; } static const struct agp_bridge_driver ati_generic_bridge = { .owner = THIS_MODULE, .aperture_sizes = ati_generic_sizes, .size_type = LVL2_APER_SIZE, .num_aperture_sizes = 7, .needs_scratch_page = true, .configure = ati_configure, .fetch_size = ati_fetch_size, .cleanup = ati_cleanup, .tlb_flush = ati_tlbflush, .mask_memory = agp_generic_mask_memory, .masks = ati_generic_masks, .agp_enable = agp_generic_enable, .cache_flush = global_cache_flush, .create_gatt_table = ati_create_gatt_table, .free_gatt_table = ati_free_gatt_table, .insert_memory = ati_insert_memory, .remove_memory = ati_remove_memory, .alloc_by_type = agp_generic_alloc_by_type, .free_by_type = agp_generic_free_by_type, .agp_alloc_page = agp_generic_alloc_page, .agp_alloc_pages = agp_generic_alloc_pages, .agp_destroy_page = agp_generic_destroy_page, .agp_destroy_pages = agp_generic_destroy_pages, .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; static struct agp_device_ids ati_agp_device_ids[] = { { .device_id = PCI_DEVICE_ID_ATI_RS100, .chipset_name = "IGP320/M", }, { .device_id = PCI_DEVICE_ID_ATI_RS200, .chipset_name = "IGP330/340/345/350/M", }, { .device_id = PCI_DEVICE_ID_ATI_RS200_B, .chipset_name = "IGP345M", }, { .device_id = PCI_DEVICE_ID_ATI_RS250, .chipset_name = "IGP7000/M", }, { .device_id = PCI_DEVICE_ID_ATI_RS300_100, .chipset_name = "IGP9100/M", }, { .device_id = PCI_DEVICE_ID_ATI_RS300_133, .chipset_name = "IGP9100/M", }, { .device_id = PCI_DEVICE_ID_ATI_RS300_166, .chipset_name = "IGP9100/M", }, { .device_id = PCI_DEVICE_ID_ATI_RS300_200, .chipset_name = "IGP9100/M", }, { .device_id = PCI_DEVICE_ID_ATI_RS350_133, .chipset_name = "IGP9000/M", }, { .device_id = PCI_DEVICE_ID_ATI_RS350_200, .chipset_name = "IGP9100/M", }, { }, /* dummy final entry, always present */ }; static int agp_ati_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { struct agp_device_ids *devs = ati_agp_device_ids; struct agp_bridge_data *bridge; u8 cap_ptr; int j; cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP); if (!cap_ptr) return -ENODEV; /* probe for known chipsets */ for (j = 0; devs[j].chipset_name; j++) { if (pdev->device == devs[j].device_id) goto found; } dev_err(&pdev->dev, "unsupported Ati chipset [%04x/%04x])\n", pdev->vendor, pdev->device); return -ENODEV; found: bridge = agp_alloc_bridge(); if (!bridge) return -ENOMEM; bridge->dev = pdev; bridge->capndx = cap_ptr; bridge->driver = &ati_generic_bridge; dev_info(&pdev->dev, "Ati %s chipset\n", devs[j].chipset_name); /* Fill in the mode register */ pci_read_config_dword(pdev, bridge->capndx+PCI_AGP_STATUS, &bridge->mode); pci_set_drvdata(pdev, bridge); return agp_add_bridge(bridge); } static void agp_ati_remove(struct pci_dev *pdev) { struct agp_bridge_data *bridge = pci_get_drvdata(pdev); agp_remove_bridge(bridge); agp_put_bridge(bridge); } static const struct pci_device_id agp_ati_pci_table[] = { { .class = (PCI_CLASS_BRIDGE_HOST << 8), .class_mask = ~0, .vendor = PCI_VENDOR_ID_ATI, .device = PCI_ANY_ID, .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, }, { } }; MODULE_DEVICE_TABLE(pci, agp_ati_pci_table); static struct pci_driver agp_ati_pci_driver = { .name = "agpgart-ati", .id_table = agp_ati_pci_table, .probe = agp_ati_probe, .remove = agp_ati_remove, #ifdef CONFIG_PM .suspend = agp_ati_suspend, .resume = agp_ati_resume, #endif }; static int __init agp_ati_init(void) { if (agp_off) return -EINVAL; return pci_register_driver(&agp_ati_pci_driver); } static void __exit agp_ati_cleanup(void) { pci_unregister_driver(&agp_ati_pci_driver); } module_init(agp_ati_init); module_exit(agp_ati_cleanup); MODULE_AUTHOR("Dave Jones"); MODULE_LICENSE("GPL and additional rights");
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